Pet bed



FIG. 1 is a perspective view of the pet enclosure of our design;

FIG. 2 is a left side view, the right side being identical;

FIG. 3 is a top view;

FIG. 4 is a bottom view;

FIG. 5 is a rear view; and,

FIG. 6 a front view. 

We claim the ornamental design for a pet bed, as shown and described. 